CN111515609A - Accurate positioning device and method for butt joint of large-diameter steel pipe welding seam - Google Patents
Accurate positioning device and method for butt joint of large-diameter steel pipe welding seam Download PDFInfo
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- CN111515609A CN111515609A CN202010304631.8A CN202010304631A CN111515609A CN 111515609 A CN111515609 A CN 111515609A CN 202010304631 A CN202010304631 A CN 202010304631A CN 111515609 A CN111515609 A CN 111515609A
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- steel pipe
- adjustment mechanism
- caliber steel
- frame body
- lifting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
Abstract
The invention discloses a device and a method for accurately positioning a large-diameter steel pipe weld seam, wherein the device comprises a movable frame body, a coarse adjustment mechanism, a fine adjustment mechanism, a hook mechanism, a hydraulic control box and an operating valve group, wherein the coarse adjustment mechanism is arranged on the front side of the movable frame body and is used for coarsely adjusting the position of the large-diameter steel pipe, the fine adjustment mechanism is arranged on the rear side of the top of the movable frame body and is used for finely adjusting the position of the large-diameter steel pipe, and the hook mechanisms are arranged at the bottoms of the coarse adjustment mechanism and the fine adjustment mechanism and are used for hoisting the large-diameter steel pipe; the hydraulic control box is located at the top of the movable frame body and connected with the coarse adjustment mechanism and the fine adjustment mechanism to provide hydraulic oil, and the operating valve group is located at the bottom of the movable frame body and connected with the hydraulic control box to control the working states of the coarse adjustment mechanism and the fine adjustment mechanism. The invention has reasonable design structure, accords with mechanical principle, has stable mechanical performance, simple and convenient operation, high safety performance and strong stability.
Description
Technical Field
The invention belongs to the technical field of butt joint of welding seams during construction of large-diameter pipelines in water areas, and particularly relates to a device and a method for accurately positioning butt joint of welding seams of large-diameter steel pipes.
Background
Along with the quick development of national infrastructure, the water conservancy construction level is higher and higher, and city domestic water and the pipeline of drainage major diameter are mostly adopted and are carried and transport, because the diameter of pipeline is big weight greatly in the work progress, and the circuit of pipe laying is long, can pass through village and forest area and grassland during pipe laying, and this causes very big degree of difficulty for our construction.
In general, the construction is that an auxiliary construction road is built on one side or two sides of a pipeline ditch to facilitate a crane to hoist and place the pipeline on a pipe bed through the site, the construction specification required by steel pipe welding is performed to perform beveling, grinding and butt welding, a mouth aligner and a crane are used for matching operation during the operation, or a chain block and a hydraulic jack are used for combining operation, because the heavy-calibre pipeline has heavy weight and the length of the pipeline is long (one length is 12 meters), a large-tonnage hoisting vehicle is needed, the site requirement of the large-tonnage hoisting vehicle is high, obstacles such as high-voltage lines, electric wires, communication lines and the like above the construction pipeline ditch can influence the construction, auxiliary sidewalks can only be bypassed when villages or forests are touched and then repaired, or trees are cut down and then constructed, land acquisition negotiation is also performed, the forest field negotiation is carried out, great economic loss and construction period pressure are caused to construction units, in addition, green vegetation is destroyed, ecological loss is very large, meanwhile, higher requirements on engineering quality and production safety are also provided, construction is carried out by a crane in such a way that the weight of a pipeline is large, the sight of operators is not very good when the pipeline is hoisted in a long length, and the operators are all under hoisted objects due to the narrow and small pipe bed ditch, so that serious potential safety hazards and unsafe factors exist, or the operators withdraw firstly, the operators are hoisted and then constructed, construction time and manpower resources are wasted, and the whole construction cost is greatly increased.
At present, no large-diameter pipeline welding seam aligning accurate positioning device which is simple in operation, capable of lifting, capable of automatically walking and flexible in swinging exists in the market.
Disclosure of Invention
In view of the above, the main objective of the present invention is to provide a device and a method for precisely positioning a weld seam of a large-diameter steel pipe.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the embodiment of the invention provides a large-caliber steel pipe welding seam aligning accurate positioning device which comprises a movable frame body, a coarse adjustment mechanism, a fine adjustment mechanism, a lifting hook mechanism, a hydraulic control box and an operation valve group, wherein the coarse adjustment mechanism is arranged on the front side of the movable frame body and is used for coarsely adjusting the position of a large-caliber steel pipe, the fine adjustment mechanism is arranged on the rear side of the top of the movable frame body and is used for finely adjusting the position of the large-caliber steel pipe, and the lifting hook mechanisms are arranged at the bottoms of the coarse adjustment mechanism and the fine adjustment mechanism and are used for lifting the large-caliber steel pipe; the hydraulic control box is located the removal support body top and is connected with coarse adjustment mechanism, fine adjustment mechanism and is used for providing hydraulic oil, the operating valve group is located removal support body bottom and is connected with the hydraulic control box and is used for controlling coarse adjustment mechanism, fine adjustment mechanism's operating condition.
In the above scheme, it includes tie-beam, crossbeam, lift traveller, lift sliding sleeve, wheel carrier, walking wheel to remove the support body, it sets up two side by side to go up the tie-beam to and every downside that goes up the tie-beam corresponds and sets up the tie-beam down, and every is connected through complex lift traveller and lift sliding sleeve to the front and back both sides of going up tie-beam and tie-beam down, two go up the front and back position between the tie-beam and set up the crossbeam respectively, and the wheel carrier is set up to both sides around every tie-beam bottom down, every set up the walking wheel on the wheel carrier.
In the above scheme, the coarse adjustment mechanism and the fine adjustment mechanism both comprise a height adjustment mechanism and a horizontal adjustment mechanism, the height adjustment mechanism is arranged at the outer sides of the lifting sliding column and the lifting sliding sleeve of the frame body, and the horizontal adjustment mechanism is arranged on the beam at the top of the frame body.
In the above scheme, height adjustment mechanism includes lift cylinder, lift cylinder's stiff end is fixed in the outside of lift sliding sleeve, and the output end is fixed on the tie-beam down.
In the above scheme, horizontal adjustment mechanism includes the translation hydro-cylinder, removes frame, slide, the output and the removal of translation hydro-cylinder are connected, remove the frame and pass through a plurality of gyro wheel slip setting on the slide, the bottom of removing the frame sets up hook mechanism.
In the scheme, the translation oil cylinder is arranged on one side of the beam of the movable frame body, and the sliding plate is arranged in the middle area of the beam of the movable frame body.
In the above scheme, the lifting hook mechanism comprises a lifting hook and a lifting belt, and the head end and the tail end of the lifting belt are fixed on the lifting hook.
The embodiment of the invention also provides a method for accurately positioning the butt joint of the welding seam of the large-caliber steel pipe, which is realized by the following steps:
step 1: adjusting the coarse adjustment mechanism and the fine adjustment mechanism to the lowest position and the central position;
step 2: hoisting a large-caliber steel pipe to be welded through a lifting hook mechanism;
and step 3: moving the large-caliber steel pipe to the position of the large-caliber steel pipe welded with the large-caliber steel pipe by the movable frame body;
and 4, step 4: the height and the horizontal position of the hoisted large-caliber steel pipe are adjusted through a coarse adjustment mechanism to be butted with the corresponding large-caliber steel pipe;
and 5: the height and the horizontal position of the hoisted large-caliber steel pipe are adjusted through the fine adjustment mechanism to enable the hoisted large-caliber steel pipe to be completely butted with the corresponding large-caliber steel pipe.
In the above scheme, the step 4 and the step 5 are specifically: the height position of the hoisted large-caliber steel pipe is adjusted through the lifting oil cylinder, and after the height position corresponds to the height position, the horizontal position of the hoisted large-caliber steel pipe is adjusted through the translation oil cylinder;
in the above scheme, the step 4 and the step 5 are specifically: and adjusting the horizontal position of the hoisted large-caliber steel pipe through the translation oil cylinder, and adjusting the height position of the hoisted large-caliber steel pipe through the lifting oil cylinder after the horizontal position corresponds to the horizontal position.
Compared with the prior art, the invention has reasonable design and structure, conforms to the mechanical principle, has stable mechanical performance, simple and convenient operation, high safety performance and strong stability, can be operated by one person without the matching operation of a crane during construction, is stable in walking, convenient to swing and does not influence the construction operation of other procedures.
Drawings
FIG. 1 is a schematic structural diagram of a device for accurately positioning a weld joint of a large-diameter steel pipe in a butt joint manner according to an embodiment of the present invention;
FIG. 2 is a right side view of FIG. 1;
fig. 3 is a flowchart of a method for accurately positioning the weld joint of the large-diameter steel pipe in a butt joint manner according to the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the invention provides a large-caliber steel pipe welding seam aligning accurate positioning device, which comprises a movable frame body 1, a coarse adjustment mechanism 2, a fine adjustment mechanism 3, a lifting hook mechanism 4, a hydraulic control box 5 and an operation valve group 6, wherein the coarse adjustment mechanism 2 is arranged on the front side of the movable frame body 1 and is used for coarsely adjusting the position of a large-caliber steel pipe 7, the fine adjustment mechanism 3 is arranged on the rear side of the top of the movable frame body 1 and is used for finely adjusting the position of the large-caliber steel pipe 7, and the lifting hook mechanisms 4 are arranged at the bottoms of the coarse adjustment mechanism 2 and the fine adjustment mechanism 3 and are used for lifting the large-caliber steel pipe 7; the hydraulic control box 5 is positioned at the top of the movable frame body 1 and is connected with the coarse adjustment mechanism 2 and the fine adjustment mechanism 3 for providing hydraulic oil, the operating valve group 6 is positioned at the bottom of the movable frame body 1 and is connected with the hydraulic control box 5 for controlling the working states of the coarse adjustment mechanism 2 and the fine adjustment mechanism 3, thus, under the control of the operation valve group 6, the hoisted large-caliber steel pipe 7 is firstly close to the large-caliber steel pipe welded with the large-caliber steel pipe through the movable frame body 1, then the height and the horizontal position of the large-caliber steel pipe 7 are roughly adjusted through the rough adjusting mechanism 2 to enable the large-caliber steel pipe 7 to be approximately butted with the corresponding large-caliber steel pipe, finally the height and the horizontal position of the large-caliber steel pipe 7 are finely adjusted through the fine adjusting mechanism 3 to enable the large-caliber steel pipe 7 to be completely butted with the corresponding large-caliber steel pipe, and the rough adjusting mechanism 2 and the fine adjusting mechanism 3 are welded after being kept in the.
Remove support body 1 and include tie-beam 11, tie-beam 12, crossbeam 13, lift traveller 14, lift sliding sleeve 15, wheel carrier 16, walking wheel 17 down, it sets up two side by side to go up tie-beam 11 to every downside correspondence of going up tie-beam 11 sets up tie-beam 12 down, and every is connected through complex lift traveller 13 and lift sliding sleeve 14 to the front and back both sides of going up tie-beam 11 and tie-beam 12 down, two go up the front and back position between the tie-beam 11 and set up crossbeam 13 respectively, and the front and back both sides in every tie-beam 12 bottom set up wheel carrier 16 down, set up walking wheel 17 on every wheel carrier 16.
The height position of the lifting sliding column 14 and the lifting sliding sleeve 15 which are matched with each other is adjusted under the lifting action of the coarse adjusting mechanism 2 and the fine adjusting mechanism 3.
Of course, a driving motor can be added to the travelling wheels 17 according to the requirement, so that the travelling wheels can move by depending on the driving motor.
The coarse adjustment mechanism 2 and the fine adjustment mechanism 3 both comprise a height adjustment mechanism 21 and a horizontal adjustment mechanism 22, the height adjustment mechanism 21 is arranged on the outer sides of the lifting sliding column 13 and the lifting sliding sleeve 14 of the frame body 1, and the horizontal adjustment mechanism 22 is arranged on the cross beam 13 at the top of the frame body 1.
The height adjusting mechanism 21 comprises a lifting oil cylinder, the fixed end of the lifting oil cylinder is fixed on the outer side of the lifting sliding sleeve 14, and the output end of the lifting oil cylinder is fixed on the lower connecting beam 12.
The horizontal adjusting mechanism 22 comprises a translation oil cylinder 221, a moving frame 222 and a sliding plate 223, wherein the output end of the translation oil cylinder 221 is connected with the moving frame 222, the moving frame 222 is arranged on the sliding plate 223 in a sliding manner through a plurality of rollers 2221, and the bottom of the moving frame 222 is provided with a hook mechanism 4.
The output end of the translation oil cylinder 221 drives the moving frame 222 to move along the sliding plate 223 in the process of stretching and retracting, and further drives the large-diameter steel pipe 7 on the hook mechanism 4 to adjust the position in the horizontal direction.
The translation cylinder 221 is disposed at one side of the cross beam 13 of the moving frame body 1, and the slide plate 223 is disposed at a middle region of the cross beam 13 of the moving frame body 1.
The hook mechanism 4 comprises a hook 41 and a hanging strip 42, and the head end and the tail end of the hanging strip 42 are fixed on the hook 41.
The embodiment of the invention provides a method for accurately positioning the butt joint of a welding seam of a large-caliber steel pipe, which is realized by the following steps as shown in figure 3:
step 1: adjusting the coarse adjustment mechanism 2 and the fine adjustment mechanism 3 to the lowest and central positions;
step 2: hoisting a large-caliber steel pipe 7 to be welded through a lifting hook mechanism 4;
and step 3: the large-caliber steel pipe 7 is moved to the position of the large-caliber steel pipe welded with the large-caliber steel pipe by the movable frame body 1;
and 4, step 4: the height and the horizontal position of the hoisted large-caliber steel pipe 7 are adjusted through the coarse adjustment mechanism 2 to be butted with the corresponding large-caliber steel pipe;
specifically, the height position of the hoisted large-caliber steel pipe 7 is adjusted through the lifting oil cylinder, and after the height position corresponds to the height position, the horizontal position of the hoisted large-caliber steel pipe 7 is adjusted through the translation oil cylinder 221;
of course, the horizontal position of the hoisted large-diameter steel pipe 7 can be adjusted by the translation oil cylinder 221, and then the height position of the hoisted large-diameter steel pipe 7 can be adjusted by the lifting oil cylinder.
And 5: the height and the horizontal position of the hoisted large-caliber steel pipe 7 are adjusted through the fine adjustment mechanism 2 to be in complete butt joint with the corresponding large-caliber steel pipe.
Specifically, the height position of the hoisted large-caliber steel pipe 7 is adjusted through the lifting oil cylinder, and after the height position corresponds to the height position, the horizontal position of the hoisted large-caliber steel pipe 7 is adjusted through the translation oil cylinder 221;
of course, the horizontal position of the hoisted large-diameter steel pipe 7 can be adjusted by the translation oil cylinder 221, and then the height position of the hoisted large-diameter steel pipe 7 can be adjusted by the lifting oil cylinder.
Finally, after the butt joint is completed, a welding procedure can be performed.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the protection scope of the present invention.
Claims (10)
1. The device is characterized by comprising a movable frame body, a coarse adjustment mechanism, a fine adjustment mechanism, a hook mechanism, a hydraulic control box and an operation valve group, wherein the coarse adjustment mechanism is arranged on the front side of the movable frame body and used for coarsely adjusting the position of a large-diameter steel pipe, the fine adjustment mechanism is arranged on the rear side of the top of the movable frame body and used for finely adjusting the position of the large-diameter steel pipe, and the hook mechanisms are arranged at the bottoms of the coarse adjustment mechanism and the fine adjustment mechanism and used for hoisting the large-diameter steel pipe; the hydraulic control box is located at the top of the movable frame body and connected with the coarse adjustment mechanism and the fine adjustment mechanism to provide hydraulic oil, and the operating valve group is located at the bottom of the movable frame body and connected with the hydraulic control box to control the working states of the coarse adjustment mechanism and the fine adjustment mechanism.
2. The device for accurately positioning the butt joint of the welding seam of the large-caliber steel pipe according to claim 1, wherein the movable frame body comprises an upper connecting beam, a lower connecting beam, a cross beam, two lifting sliding columns, two lifting sliding sleeves, a wheel carrier and a traveling wheel, the lower side of each upper connecting beam is correspondingly provided with the lower connecting beam, the front side and the rear side of each pair of the upper connecting beam and the lower connecting beam are connected through the lifting sliding columns and the lifting sliding sleeves which are matched with each other, the cross beams are respectively arranged at the front position and the rear position between the two upper connecting beams, the wheel carrier is arranged at the front side and the rear side of the bottom of each lower connecting beam, and the traveling wheel is arranged on each wheel carrier.
3. The device for accurately positioning the butt joint of the welding seam of the large-caliber steel pipe according to claim 1 or 2, wherein the coarse adjustment mechanism and the fine adjustment mechanism both comprise a height adjustment mechanism and a horizontal adjustment mechanism, the height adjustment mechanism is arranged on the outer sides of the lifting sliding column and the lifting sliding sleeve of the frame body, and the horizontal adjustment mechanism is arranged on a cross beam at the top of the frame body.
4. The device for accurately positioning the butt joint of the welding seam of the large-caliber steel pipe as claimed in claim 3, wherein the height adjusting mechanism comprises a lifting oil cylinder, the fixed end of the lifting oil cylinder is fixed on the outer side of the lifting sliding sleeve, and the output end of the lifting oil cylinder is fixed on the lower connecting beam.
5. The device for accurately positioning the butt joint of the welding seam of the large-caliber steel pipe according to claim 4, wherein the horizontal adjusting mechanism comprises a translation oil cylinder, a moving frame and a sliding plate, the output end of the translation oil cylinder is connected with the moving frame, the moving frame is arranged on the sliding plate in a sliding manner through a plurality of rollers, and a hook mechanism is arranged at the bottom of the moving frame.
6. The device for accurately positioning the butt joint of the weld joint of the large-caliber steel pipe as claimed in claim 5, wherein the translation oil cylinder is arranged on one side of the cross beam of the movable frame body, and the sliding plate is arranged in the middle area of the cross beam of the movable frame body.
7. The device for accurately positioning the butt joint of the weld joint of the large-caliber steel pipe as claimed in claim 6, wherein the lifting hook mechanism comprises a lifting hook and a lifting belt, and the head end and the tail end of the lifting belt are fixed on the lifting hook.
8. The method for accurately positioning the butt joint of the welding seam of the large-caliber steel pipe is characterized by comprising the following steps of:
step 1: adjusting the coarse adjustment mechanism and the fine adjustment mechanism to the lowest position and the central position;
step 2: hoisting a large-caliber steel pipe to be welded through a lifting hook mechanism;
and step 3: moving the large-caliber steel pipe to the position of the large-caliber steel pipe welded with the large-caliber steel pipe through the movable frame body;
and 4, step 4: the height and the horizontal position of the hoisted large-caliber steel pipe are adjusted through a coarse adjustment mechanism to be butted with the corresponding large-caliber steel pipe;
and 5: the height and the horizontal position of the hoisted large-caliber steel pipe are adjusted through the fine adjustment mechanism to enable the hoisted large-caliber steel pipe to be completely butted with the corresponding large-caliber steel pipe.
9. The method for accurately positioning the butt joint of the weld joint of the large-caliber steel pipe according to claim 8, wherein the step 4 and the step 5 are specifically as follows: the height position of the hoisted large-caliber steel pipe is adjusted through the lifting oil cylinder, and after the height position corresponds to the height position, the horizontal position of the hoisted large-caliber steel pipe is adjusted through the translation oil cylinder.
10. The method for accurately positioning the butt joint of the weld joint of the large-caliber steel pipe according to claim 8, wherein the step 4 and the step 5 are specifically as follows: and adjusting the horizontal position of the hoisted large-caliber steel pipe through the translation oil cylinder, and adjusting the height position of the hoisted large-caliber steel pipe through the lifting oil cylinder after the horizontal position corresponds to the horizontal position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010304631.8A CN111515609A (en) | 2020-04-17 | 2020-04-17 | Accurate positioning device and method for butt joint of large-diameter steel pipe welding seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010304631.8A CN111515609A (en) | 2020-04-17 | 2020-04-17 | Accurate positioning device and method for butt joint of large-diameter steel pipe welding seam |
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| Publication Number | Publication Date |
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| CN111515609A true CN111515609A (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010304631.8A Pending CN111515609A (en) | 2020-04-17 | 2020-04-17 | Accurate positioning device and method for butt joint of large-diameter steel pipe welding seam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112025198A (en) * | 2020-08-14 | 2020-12-04 | 迪尔集团有限公司 | Heat distribution pipeline opening aligning construction device and construction method |
-
2020
- 2020-04-17 CN CN202010304631.8A patent/CN111515609A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112025198A (en) * | 2020-08-14 | 2020-12-04 | 迪尔集团有限公司 | Heat distribution pipeline opening aligning construction device and construction method |
| CN112025198B (en) * | 2020-08-14 | 2022-06-10 | 迪尔集团有限公司 | Heat distribution pipeline opening aligning construction device and construction method |
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